A family of double-bowl pseudo metallocalix[6]arene discs

Sean T. Meally, Cecelia McDonald, Georgios Karotsis, Giannis S. Papaefstathiou, Euan K. Brechin, Peter W. Dunne, Patrick McArdle, Nicholas P. Power, Leigh F. Jones

Research output: Contribution to journalArticlepeer-review

Abstract

We report the synthesis and magnetic characterisation of a series of planar [M-7] (M= Ni-II, Zn-II) disc complexes [Ni-7(OH)(6)(L-1)(6)](NO3)(2) (1), [Ni-7(OH)(6)(L-1)(6)](NO3)(2)center dot 2MeOH (2), [Ni-7(OH)(6)(L-1)(6)](NO3)(2)center dot 3MeNO(2) (3), [Ni-7(OH)(6)(L-2)(6)](NO3)(2)center dot 2MeCN (4), [Zn-7(OH)(6)(L-1)(6)](NO3)(2)center dot 2MeOH center dot H2O (5) and [Zn-7(OH)(6)(L-1)(6)](NO3)(2)center dot 3MeNO(2) (6) (where HL1 = 2-iminomethyl-6-methoxy- phenol, HL2 = 2-iminomethyl-4-bromo-6-methoxy-phenol). Each member exhibits a double-bowl pseudo metallocalix[6]arene topology whereby the individual [M-7] units form molecular host cavities which are able to accommodate various guest molecules (MeCN, MeNO2 and MeOH). Magnetic susceptibility measurements carried out on complexes 1 and 4 indicate weak exchange

Original languageEnglish
Pages (from-to)4809-4816
Number of pages8
JournalDalton Transactions
Volume39
Issue number20
DOIs
Publication statusPublished - 2010

Keywords

  • GUEST ENCAPSULATION
  • CLUSTER TOPOLOGY
  • SOLUBILIZATION
  • COMPLEXES
  • MOLECULE
  • BINDING
  • ANION
  • STATE
  • HEPTANUCLEAR
  • ASSEMBLIES

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